Electronics Forum | Tue Nov 07 00:33:40 EST 2017 | aqueous
If no-clean flux is reflowed correctly, many of the activators are encapsulated within the resin residue left behind after reflow. An ionic contamination test cannot differentiate between ionic residue that was encapsulated (not harmful) and residues
Electronics Forum | Tue Nov 14 08:52:07 EST 2017 | davef
If you think the problem is occurring in the box and it is wide spread, consider replacing your solder paste with your paste supplier. There are paste formulations aimed at the solder balling issue that some LF pastes create. On tuning your reflow r
Electronics Forum | Sun Dec 10 20:17:51 EST 2017 | myke03o
Hi Dave, thanks for the response. * Improve your products that are used for thermal cycling testing of products of other companies? Yes we want to improve our products to pass thermal cycling and prolong the lifespan of the baord. * Change your pr
Electronics Forum | Thu Nov 30 22:11:25 EST 2017 | techedge
I have two KE720 P&P machines. I've been using one for the last several years on an irregular basis because we manufacture into a niche market and I don't (currently) contract out our services. Six months ago the working KE720 stopped working and I'
Electronics Forum | Sun Jan 07 08:46:08 EST 2018 | spoiltforchoice
Your paste should specify a number of times it is OK for various things to happen. The two you might care about are the "Stencil Time"/"Working life", which is how long the paste can be out of the pot on your stencil while you print PCBs. The othe
Electronics Forum | Tue Jan 09 14:15:43 EST 2018 | tozitom
Hi SMTnet, I'm newbie here and searching for information on a pcb reconvertion. So in order to reduce costs on a small pcb+ componentes+assembly I need your experience on assembling only SMT components vs SMT+TH; the point is actually my PCB has abou
Electronics Forum | Wed Nov 28 05:54:04 EST 2018 | robl
You need to look at what other smaller companies are using, the KY machines usually go in multiples into large installations. I've seen a few places with 1 or 2 machines but they are usually running volume of very few board types. In these environm
Electronics Forum | Thu Mar 01 11:18:56 EST 2018 | reckless
EVTimov, Thanks for responding with your thoughts. I appreciate it! In regards to your thoughts, my biggest issue is we do use alot of 0402 components. This unit is probably built on their success of their simple table top unit which no one has
Electronics Forum | Fri Mar 02 08:33:43 EST 2018 | dwl
40 parts per board multiplied by half a million per year is 20 million placements per year. That’s serious production. The machine is rated at 7500 placements per hour, so running 24/7 that’s 111 days per year. The rated placement rates on pick and
Electronics Forum | Tue Mar 20 05:29:30 EDT 2018 | rob
Fuji makes great machines, just depends on the local support If you are not doing anything special I'd probably just go with the I-pulses as you'll get a lot more machine for your money, and have some left over for inline AOI/SPI or look at somethin
